42-317-39601
Final Completion HorizontalMABEE 139
MARTIN County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,500 ft
First Permit
2014-08-18
Latest Activity
2014-08-18
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2015-02-10
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: OXY USA INC.
Resolved via: production → COG OPERATING LLC
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
2008-04
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 2,878 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,000 ft | +1,878 ft |
| QUEEN | 4,195 ft | -1,317 ft |
| GRAYBURG | 4,750 ft | -1,872 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,949 ft | -2,071 ft |
| CLEARFORK (Clear Fork) | 6,849 ft | -3,971 ft |
| SPRABERRY | 8,209 ft | -5,331 ft |
| DEAN | 9,447 ft | -6,569 ft |
| WOLFCAMP | 9,664 ft | -6,786 ft |
| CISCO | — | — |
| YATES | — | — |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (1)
| Interval | Type |
|---|---|
| 10,458–11,892 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 1,710 ft | 930 sx |
| 8.625" | 9,090 ft | 800 sx |
| 5.5" | 12,100 ft | 390 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record · 2 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1026H
- Max Depth
- 12,500 ft
- Drill Type
- Horizontal
- County
- MARTIN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2015-02-10
Operator
- Name
- COG OPER LLC
- Location
- MIDLAND
- P-5 Status
- X (filed 2026-06-02)
- Cum Oil (all leases)
- 645,285,792 bbl
- Cum Gas (all leases)
- 305,183,488 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 4,547